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Table 3 Radiological outcome

From: Enchondromas and atypical cartilaginous tumors at the proximal humerus treated with intralesional resection and bone cement filling with or without osteosynthesis: retrospective analysis of 42 cases with 6 years mean follow-up

  Intralesional resection + bone cement (n = 25) Intralesional resection + bone cement + proximal humerus plate (n = 17) Statistical test with p value
Initial tumor size
 Mean (± SD)    Student T test
 All 4.2 (± 1.5) cm 6.6 (± 3.0) cm p = 0.005
 Enchondroma 4.2 (± 1.7) cm 7.6 (± 3.0) cm p = 0.003
 ACT 3.7 (± 1.2) cm 5.3 (± 1.1) cm p = 0.24
 Enchondroma or ACT 4.3 (± 0.6) cm 4.5 (± 2.9) cm p = 0.26
Cavity size after curettage
 Mean (± SD)    Student T test
 All 5.7 (± 2.1) cm 9.6 (± 3.2) cm p = 0.0001
 Enchondroma 5.7 (± 2.2) cm 10.2 (± 2.5) cm p < 0.0001
 ACT 4.7 (± 1.1) cm 5.6 (± 0.4) cm p = 0.44
 Enchondroma or ACT 6.9 (± 0.3) cm 9.0 (± 4.6) cm p = 0.65
Scalloping + soft-tissue extension score
 Mean (± SD)
rating scale 0–4
   Mann-Whitney U test
 All 1.9 (± 0.9) 2.0 (± 1.0) p = 0.71
 Enchondroma 1.8 (± 1.0) 1.8 (± 0.9) p = 0.81
 ACT 2.3 (± 0.6) 3.0 (± 1.4) p = 0.52
 Enchondroma or ACT 2.0 (± 1.0) 2.0 (± 1.0) p = 1.0